cddbe282c6
* Avoid "using namespace" statements, which trigger clang's -Wheader-hygiene warnings in jumbo builds. * Undefine created macros at the end of source files. BUG=chromium:746958 Change-Id: I5d25432c314437f607b0e1be22765a6764267ba6 Reviewed-on: https://chromium-review.googlesource.com/610962 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Mostyn Bramley-Moore <mostynb@opera.com> Cr-Commit-Position: refs/heads/master@{#47347}
110 lines
4.2 KiB
C++
110 lines
4.2 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "src/factory.h"
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#include "src/heap/heap.h"
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#include "src/isolate.h"
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// FIXME(mstarzinger, marja): This is weird, but required because of the missing
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// (disallowed) include: src/factory.h -> src/objects-inl.h
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#include "src/objects-inl.h"
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// FIXME(mstarzinger, marja): This is weird, but required because of the missing
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// (disallowed) include: src/feedback-vector.h ->
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// src/feedback-vector-inl.h
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#include "src/feedback-vector-inl.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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static void SetUpNewSpaceWithPoisonedMementoAtTop() {
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Isolate* isolate = CcTest::i_isolate();
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Heap* heap = isolate->heap();
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NewSpace* new_space = heap->new_space();
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// Make sure we can allocate some objects without causing a GC later.
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CcTest::CollectAllGarbage();
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// Allocate a string, the GC may suspect a memento behind the string.
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Handle<SeqOneByteString> string =
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isolate->factory()->NewRawOneByteString(12).ToHandleChecked();
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CHECK(*string);
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// Create an allocation memento behind the string with a garbage allocation
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// site pointer.
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AllocationMemento* memento =
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reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag);
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memento->set_map_after_allocation(heap->allocation_memento_map(),
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SKIP_WRITE_BARRIER);
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memento->set_allocation_site(
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reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER);
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}
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TEST(Regress340063) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Call GC to see if we can handle a poisonous memento right after the
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// current new space top pointer.
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CcTest::CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
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}
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TEST(Regress470390) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Set the new space limit to be equal to the top.
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Address top = CcTest::i_isolate()->heap()->new_space()->top();
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*(CcTest::i_isolate()->heap()->new_space()->allocation_limit_address()) = top;
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// Call GC to see if we can handle a poisonous memento right after the
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// current new space top pointer.
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CcTest::CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
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}
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TEST(BadMementoAfterTopForceScavenge) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Force GC to test the poisoned memento handling
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CcTest::CollectGarbage(i::NEW_SPACE);
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}
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} // namespace internal
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} // namespace v8
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